Both Uses of

hemophilia
in
Atlas Shrugged

I believe it was they who started the hemophilia......Yes, that is what I said: the hemophiliathe slow leak-the loss of blood that cannot be stopped.†
Chpt 1.10 *

had paused to grasp that title's meaning, but everybody knew, each in his own community, neighborhood, office or shop and hi his own unidentified terms, who would be the men that would now fail to appear at their posts on some coming morning and would silently vanish in search of unknown frontiers-the men whose faces were tighter than the faces around them, whose eyes were more direct, whose energy was more conscientiously enduring-the men who were now slipping away, one by one, from every corner of the countryof the country which was now like the descendant of what had once been regal glory, prostrated by the scourge of hemophilia, losing the best of its blood from a wound not to be healed.†
Chpt 3.8

Definitions:

(1) (hemophilia)
congenital tendency to uncontrolled bleeding; usually affects males and is transmitted from mother to son
(2) (meaning too rare to warrant focus)
meaning too rare to warrant focus